Marantz Cinema AVR HDMI Board Failure Investigation

Migliaccio & Rathod LLP is investigating reports that certain Marantz Cinema-series and SR-series AV receivers may experience premature HDMI board or digital board failures that interfere with the receiver’s core home theater functions. Owners report losing HDMI video output, ARC/eARC audio, and multiple HDMI inputs despite replacing cables, resetting the receiver, installing firmware updates, and testing multiple televisions and source devices. Consumers allege that these failures require expensive board replacements or complete receiver replacement even though the units were used under normal household conditions.

Consumers report:

  • Multiple HDMI inputs failing at the same time.
  • The Marantz Cinema receiver producing a black screen or “No Signal” message.
  • ARC or eARC audio repeatedly disconnecting or disappearing.
  • Video dropping out during normal operation.
  • Firmware updates and factory resets failing to resolve the issue.
  • The same source devices functioning properly when connected directly to the television.
  • Authorized service centers diagnosing defective HDMI or digital boards.
  • Repair estimates costing several hundred dollars.
  • Replacement boards later experiencing similar failures.
  • Being forced to replace an expensive receiver because repairs were uneconomical.
  • Warranty coverage being denied after the failure occurred outside the warranty period.

Potential claims may include:

  • Violations of state consumer protection statutes.
  • Breach of express warranty.
  • Breach of the implied warranty of merchantability.
  • Fraudulent concealment or omission.
  • Magnuson-Moss Warranty Act violations.
  • Unjust enrichment.
  • Declaratory and injunctive relief.

Signs you may be affected:

  • You purchased a Marantz Cinema-series or SR-series receiver.
  • Multiple HDMI inputs stopped functioning.
  • Your receiver no longer passes video or ARC/eARC audio correctly.
  • Factory resets, firmware updates, and cable replacement did not resolve the problem.
  • Your source devices work normally when connected directly to your television.
  • A repair technician diagnosed a failed HDMI or digital board.
  • You paid for board replacement or purchased a replacement receiver.
  • Marantz denied warranty coverage because the failure occurred after the warranty expired.

If you purchased a Marantz receiver that experienced HDMI board or digital board failure, please complete the form below. You may also contact Migliaccio & Rathod LLP by calling (202) 470-3520 or by emailing [email protected] to learn more about this investigation.

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